Results 221 to 230 of about 11,588,553 (239)

Parallel preconditioned conjugate gradient algorithm on GPU [PDF]

Journal of Computational and Applied Mathematics, 2012
We propose a parallel implementation of the Preconditioned Conjugate Gradient algorithm on a GPU platform. The preconditioning matrix is an approximate inverse derived from the SSOR preconditioner.
Jonas Koko
exaly   +2 more sources

Preconditioned Conjugate Gradient Method and Generalized Successive Overrelaxation Method for the Least Squares Problems

International Journal of Computer Mathematics, 2002
In a recent paper [4], Li et al. gave a generalized successive overrelaxation (GSOR) method for the least squares problems. In this paper, the connection between the GSOR method and the preconditioned conjugate gradient (PCG) method for the normal ...
Li ZJ(李长军), Evans, DJ
exaly   +1 more source

Preconditioned conjugate gradient method for generalized least squares problems [PDF]

Journal of Computational and Applied Mathematics, 1996
A variant of the preconditioned conjugate gradient method to solve generalized least squares problems is presented. If the problem is min (Ax − b)TW−1(Ax − b) with A ∈ Rm×n and W ∈ Rm×m symmetric and positive definite, the method needs only a ...
J.Y. Yuan, Iusem, A.N., A.N. Iusem, Yuan, J.Y.   +3 more
exaly   +2 more sources

The preconditioned conjugate gradient method with incomplete factorization preconditioners [PDF]

Computers and Mathematics With Applications, 1996
We present a modification of the ILUT algorithm due to Y. Saad for preparing incomplete factorization preconditioner for positive definite matrices being neither diagonally dominant nor M-matrices.
Arany, I.
exaly   +2 more sources

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Efficient Implementation of a Class of Preconditioned Conjugate Gradient Methods

SIAM Journal on Scientific and Statistical Computing, 1981
Stanley C Eisenstat
exaly  

Toward the Optimal Preconditioned Eigensolver: Locally Optimal Block Preconditioned Conjugate Gradient Method

SIAM Journal of Scientific Computing, 2001
Andrew Knyazev
exaly  

Derivative-free restrictively preconditioned conjugate gradient path method without line search technique for solving linear equality constrained optimization

Computers and Mathematics With Applications, 2017
Detong Zhu
exaly  

A preconditioned Conjugate Gradient Method on a distributed memory multiprocessor

Applied Mathematics Letters, 1995
José Mas, Rafael Bru
exaly  

Block subspace projection preconditioned conjugate gradient method in modal structural analysis

Computers and Mathematics With Applications, 2020
Sergiy Fialko, Viktor Karpilovskyi
exaly  

Accurate reanalysis of structures by a preconditioned conjugate gradient method

International Journal for Numerical Methods in Engineering, 2002
Michal Kočvara
exaly